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B2409 HALF LATCH SWITCH DLK-121 < DTC/CIRCUIT DIAGNOSIS > [TYPE 1] C D E F G H I J L M A B DLK N O P NO >> GO TO 4. 4. CHECK HALF LATCH SWITCH INPUT SIGNAL 1. Turn ignition switch OFF. 2. Disconnect back door lock assembly connector. 3. Check voltage between back door lock assembly harness connector and ground. Is the inspection result normal? YES >> GO TO 6. NO >> GO TO 5. 5. CHECK HALF LATCH SWITCH CIRCUIT 1. Disconnect automatic back door control unit connector. 2. Check continuity between automatic back door control unit harness connector and back door lock assem- 3. Check continuity between automatic back door control unit harness connector and ground. Is the inspection result normal? YES >> Replace automatic back door control unit. Refer to DLK-327, "Removal and Installation" . NO >> Repair or replace harness. 6. CHECK HALF LATCH SWITCH GROUND CIRCUIT Check continuity between back door lock assembly harness connector and ground. Is the inspection result normal? YES >> GO TO 7. NO >> Repair or replace harness. 7. CHECK INTERMITTENT INCIDENT GI-44, "Intermittent Incident" . Is the inspection result normal? YES >> GO TO 8. NO >> Repair or replace the malfunction parts. 8. REPLACE BACK DOOR LOCK ASSEMBLY 1. Replace back door lock assembly. Refer to DLK-312, "DOOR LOCK : Removal and Installation" . 2. Erase DTC. 3. Perform DTC CONFIRMATION PROCEDURE for DTC 2409. Refer to . Is the inspection result normal? (+) (–) Voltage (Approx.) Back door lock assembly Connector Terminal D172 6 Ground 12 V Automatic back door control unit Back door lock assembly Continuity Connector Terminal Connector Terminal B24 3 D172 6 Existed Automatic back door control unit Ground Continuity Connector Terminal B24 3 Not existed Back door lock assembly Ground Continuity Connector Terminal D172 8 Existed |